Shift your body weight and adjust the angleof your pelvis to find the position that feels best in your sacroiliac area.
调整身体重心和骨盆的角度，找到一个让骶髂关节最舒适的位置。
2
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.